JXLoginPanel, LoginPanelUI, BasicLoginPanelUI, and (JX)LoginPanelAddon all became LoginPane, dropping the “l”. This includes usages in the UIDefaults, so the keys have changed for all L&F implementors.

AquaLnFPopupLocationFix -> MacOSXPopupLocationFix

Hopefully we will see 0.9.2 (or version 1.0?) with even more improvements and momentum soon.